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Impairment (Details 6) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
IfrsStatementLineItems [Line Items]      
Impairment (losses) reversals $ (32) $ 103 $ (151)
Producing Properties Relating To Oil And Gas Activity Country Of Brazil [Member]      
IfrsStatementLineItems [Line Items]      
Carrying amount 44 230 376
Recoverable amount 334 300
Impairment (losses) reversals $ (44) $ 102 $ (116)
Business segment E&P E&P E&P
Others [Member]      
IfrsStatementLineItems [Line Items]      
Impairment (losses) reversals $ 12 $ 1 $ 9
Business segment Several Several Several
Refineries And Associated Logistics Assets [Member]      
IfrsStatementLineItems [Line Items]      
Carrying amount     $ 77
Recoverable amount     34
Impairment (losses) reversals     $ (44)
Business segment     RT&M